[INFO] cloning repository https://github.com/Mesabloo/coqide.kak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mesabloo/coqide.kak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesabloo%2Fcoqide.kak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesabloo%2Fcoqide.kak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b69d872a35e3b23c4078d78ce9bceec8b563ecc4
[INFO] testing Mesabloo/coqide.kak against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesabloo%2Fcoqide.kak" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mesabloo/coqide.kak on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mesabloo/coqide.kak
[INFO] finished tweaking git repo https://github.com/Mesabloo/coqide.kak
[INFO] tweaked toml for git repo https://github.com/Mesabloo/coqide.kak written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/Mesabloo/coqide.kak already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edc09870ed92a31dff0dce01e262345b8511eba4c760777fd832df9ebccf75a7
[INFO] running `Command { std: "docker" "start" "-a" "edc09870ed92a31dff0dce01e262345b8511eba4c760777fd832df9ebccf75a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc09870ed92a31dff0dce01e262345b8511eba4c760777fd832df9ebccf75a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc09870ed92a31dff0dce01e262345b8511eba4c760777fd832df9ebccf75a7", kill_on_drop: false }`
[INFO] [stdout] edc09870ed92a31dff0dce01e262345b8511eba4c760777fd832df9ebccf75a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2a7a15cd95d2fdb8f0d8780e73aff45c562de30f736653327a5820844d5330
[INFO] running `Command { std: "docker" "start" "-a" "ec2a7a15cd95d2fdb8f0d8780e73aff45c562de30f736653327a5820844d5330", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling arc-swap v0.4.8
[INFO] [stderr]    Compiling bimap v0.6.1
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling unix-named-pipe v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling async-signals v0.3.1
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling log4rs v1.0.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling combine v4.6.2
[INFO] [stderr]    Compiling coqide-daemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(io_error_more)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TcpStream`, `join`
[INFO] [stdout]  --> src/coqtop/slave.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     join,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     net::{TcpListener, TcpStream},
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ProtocolRichPPPart`, `ProtocolRichPP`, `logger`
[INFO] [stdout]   --> src/coqtop/slave.rs:14:52
[INFO] [stdout]    |
[INFO] [stdout] 14 |     coqtop::xml_protocol::types::{FeedbackContent, ProtocolRichPP, ProtocolRichPPPart},
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     logger,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/coqtop/xml_protocol/parser.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |         byte::{self, alpha_num, byte, space, take_until_byte},
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::SeekFrom`
[INFO] [stdout]  --> src/kakoune/slave.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::SeekFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncSeekExt`
[INFO] [stdout]  --> src/kakoune/slave.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, AsyncSeekExt, AsyncWriteExt},
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coqide-daemon` due to 4 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ec2a7a15cd95d2fdb8f0d8780e73aff45c562de30f736653327a5820844d5330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2a7a15cd95d2fdb8f0d8780e73aff45c562de30f736653327a5820844d5330", kill_on_drop: false }`
[INFO] [stdout] ec2a7a15cd95d2fdb8f0d8780e73aff45c562de30f736653327a5820844d5330